000
FZPN03 KNHC 030938
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON SEP 03 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.

SYNOPSIS VALID 0600 UTC MON SEP 03.
24 HOUR FORECAST VALID 0600 UTC TUE SEP 04.
48 HOUR FORECAST VALID 0600 UTC WED SEP 05.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOHN AT 19.4N 111.7W 1001 MB AT 0900 UTC SEP 03 
MOVING NW OR 305 DEG AT 12 KT.  MAXIMUM SUSTAINED WINDS 35 GUSTS 
45 KT.  TROPICAL STORM FORCE WIND WITHIN 180 NM NE QUADRANT...50 
NM SW QUADRANT...AND 60 NM NW QUADRANT.  SEAS 12 FT OR GREATER 
WITHIN 150 NM NE QUADRANT...270 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 20 FT.
.24 HOUR FORECAST  TROPICAL STORM JOHN NEAR 21.7N 115.2W.  
MAXIMUM SUSTAINED WIND 35 GUSTS 45 KT.  TROPICAL STORM FORCE 
WIND WITHIN 60 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 
50 NM SW QUADRANT.  LITTLE CHANGE IN RADII OF SEAS 12 FT OR 
GREATER WITH SEAS TO 22 FT.
.48 HOUR FORECAST  TROPICAL DEPRESSION JOHN NEAR 23.7N 118.5W. 
MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.  SEAS 12 FT OR GREATER 
WITHIN 90 NM NE SEMICIRCLE WITH SEAS TO 18 FT.
.72 HOUR FORECAST  POST-TROPICAL REMNANT LOW JOHN NEAR 25.0N 
121.2W.  MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  POST-TROPICAL REMNANT LOW JOHN NEAR 26.0N 
123.0W.  MAXIMUM SUSTAINED WIND 20 GUSTS 30 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN T.S. JOHN WARNING...WITHIN 360 NM NE AND 90 
NM SW SEMICIRCLES OF CENTER  WINDS TO 33 KT.  SEAS TO 13 FT IN S 
SWELL.  ELSEWHERE FROM 10N TO 22N BETWEEN 100W AND 111W WINDS 20 
KT OR LESS.  SEAS TO 11 FT IN SW SWELL.  
.24 HOUR FORECAST  EXCEPT AS NOTED IN T.S JOHN WARNING...WITHIN 
360 NM NE AND WITHIN 120 NM SW SEMICIRCLES OF CENTER  WINDS TO 
33 KT.  SEAS TO 13 FT IN S SWELL.  ELSEWHERE FROM 18N TO 26N 
BETWEEN 107W AND 117W...INCLUDING GULF OF CALIFORNIA S OF 25N 
WINDS 20 KT OR LESS.  SEAS TO 10 FT IN S SWELL. 
.48 HOUR FORECAST  EXCEPT AS NOTED IN TD JOHN WARNING...WITHIN 
270 NM NE AND WITHIN 90 NM SW SEMICIRCLES OF CENTER  WINDS 20 TO 
25 KT.  SEAS TO 10 FT.

.REMNANT LOW PRES OF ILEANA AT 22N125W 1007 MB.  WITHIN 240 NM 
NW QUADRANT  N TO NE WINDS 20 TO 25 KT.  SEAS TO 11 FT. 
ELSEWHERE WITHIN 420 NM NW AND 240 NM SE SEMICIRCLES OF CENTER 
WINDS 20 KT OR LESS.  SEAS TO 8 FT IN MIXED N AND S SWELL. 
.24 HOUR FORECAST  LOW PRES NEAR 21N127W 1010 MB.  WITHIN 330 NM 
NW SEMICIRCLE OF CENTER  WINDS 20 TO 25 KT.  SEAS TO 9 FT.
.48 HOUR FORECAST  LOW PRES NEAR 20N132W 1011 MB.  WITHIN 180 NM 
NW QUADRANT OF CENTER  WINDS 20 KT OR LESS.  SEAS TO 8 FT.

.REMAINDER OF AREA  WINDS 20 KT OR LESS.  SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0915 UTC MON SEP 03...

.TROPICAL STORM JOHN...NUMEROUS MODERATE SCATTERED STRONG WITHIN 
120 NM SE AND 90 NM NW SEMICIRCLES. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 09N92W TO 13N101W THEN RESUMES 
FROM 14N112W TO 09N134W TO BEYOND 10N140W.  SCATTERED MODERATE 
BETWEEN MONSOON TROUGH AND 04N FROM 88W TO 100W.  

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.